About #
Loki Stack contains values that are passed to the loki-stack subchart. For more details on each service, see their official documentation:
Values #
The following section contains a series of tabs for commonly used configurations for this section of your values.yml Helm chart.
loki-stack:
loki:
serviceAccount:
automountServiceAccountToken: false
persistence:
enabled: true
accessModes:
- ReadWriteOnce
size: 10Gi
# More info for setting up storage classes on various cloud providers:
# AWS: https://docs.aws.amazon.com/eks/latest/userguide/storage-classes.html
# GCP: https://cloud.google.com/compute/docs/disks/performance#disk_types
# Azure: https://docs.microsoft.com/en-us/azure/aks/concepts-storage#storage-classes
storageClassName: ""
annotations: {}
priorityClassName: ""
nodeSelector: {}
tolerations: []
config:
limits_config:
retention_period: 24h
retention_stream:
- selector: '{suite="pachyderm"}'
priority: 1
period: 168h # = 1 week
grafana:
enabled: false
promtail:
config:
clients:
- url: "http://{{ .Release.Name }}-loki:3100/loki/api/v1/push"
snippets:
# The scrapeConfigs section is copied from loki-stack-2.6.4
# The pipeline_stages.match stanza has been added to prevent multiple lokis in a cluster from mixing their logs.
scrapeConfigs: |
- job_name: kubernetes-pods
pipeline_stages:
{{- toYaml .Values.config.snippets.pipelineStages | nindent 4 }}
- match:
selector: '{namespace!="{{ .Release.Namespace }}"}'
action: drop
kubernetes_sd_configs:
- role: pod
relabel_configs:
- source_labels:
- __meta_kubernetes_pod_controller_name
regex: ([0-9a-z-.]+?)(-[0-9a-f]{8,10})?
action: replace
target_label: __tmp_controller_name
- source_labels:
- __meta_kubernetes_pod_label_app_kubernetes_io_name
- __meta_kubernetes_pod_label_app
- __tmp_controller_name
- __meta_kubernetes_pod_name
regex: ^;*([^;]+)(;.*)?$
action: replace
target_label: app
- source_labels:
- __meta_kubernetes_pod_label_app_kubernetes_io_instance
- __meta_kubernetes_pod_label_release
regex: ^;*([^;]+)(;.*)?$
action: replace
target_label: instance
- source_labels:
- __meta_kubernetes_pod_label_app_kubernetes_io_component
- __meta_kubernetes_pod_label_component
regex: ^;*([^;]+)(;.*)?$
action: replace
target_label: component
{{- if .Values.config.snippets.addScrapeJobLabel }}
- replacement: kubernetes-pods
target_label: scrape_job
{{- end }}
{{- toYaml .Values.config.snippets.common | nindent 4 }}
{{- with .Values.config.snippets.extraRelabelConfigs }}
{{- toYaml . | nindent 4 }}
{{- end }}
pipelineStages:
- cri: {}
common:
# This is copy and paste of existing actions, so we don't lose them.
# Cf. https://github.com/grafana/loki/issues/3519#issuecomment-1125998705
- action: replace
source_labels:
- __meta_kubernetes_pod_node_name
target_label: node_name
- action: replace
source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- action: replace
replacement: $1
separator: /
source_labels:
- namespace
- app
target_label: job
- action: replace
source_labels:
- __meta_kubernetes_pod_name
target_label: pod
- action: replace
source_labels:
- __meta_kubernetes_pod_container_name
target_label: container
- action: replace
replacement: /var/log/pods/*$1/*.log
separator: /
source_labels:
- __meta_kubernetes_pod_uid
- __meta_kubernetes_pod_container_name
target_label: __path__
- action: replace
regex: true/(.*)
replacement: /var/log/pods/*$1/*.log
separator: /
source_labels:
- __meta_kubernetes_pod_annotationpresent_kubernetes_io_config_hash
- __meta_kubernetes_pod_annotation_kubernetes_io_config_hash
- __meta_kubernetes_pod_container_name
target_label: __path__
- action: keep
regex: pachyderm
source_labels:
- __meta_kubernetes_pod_label_suite
# this gets all kubernetes labels as well
- action: labelmap
regex: __meta_kubernetes_pod_label_(.+)
livenessProbe:
failureThreshold: 5
tcpSocket:
port: http-metrics
initialDelaySeconds: 10
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1